/*
 * Observable.cpp
 *
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses 
 */

#include "Observable.h"

void Observable::attach(GameEventObserver* observer) {
    observers.push_back(observer);
}

void Observable::detach(GameEventObserver* observer) {
    std::list<GameEventObserver*>::iterator it;
    for (it = observers.begin(); it != observers.end(); ++it) {
        if (*it == observer) {
            observers.erase(it);
            return;
        }
    }
}

void Observable::notify(Event event, void* entity, void* other) {
    std::list<GameEventObserver*>::iterator it;
    for (it = observers.begin(); it != observers.end(); ++it) {
        (*it)->update(event, entity, other);
    }
}
